comp.dsp | vector quantization

vector quantization

Started by geetanjali ●July 10, 2006

is dct necessary to quantize an image? 
can the intensity value of each pixel be directly used for quantization?

Reply by Jerry Avins ●July 10, 20062006-07-10

geetanjali wrote:
> is dct necessary to quantize an image? 
> can the intensity value of each pixel be directly used for quantization?

It is the pixel intensity that are quantized. The DCT is (sometimes) 
used for data compression.

Jerry
-- 
Engineering is the art of making what you want from things you can get.
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vector quantization

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